Do You Really Need 8 Hours of Sleep Every Night? | Body Stuff with Dr. Jen Gunter | TED

3,224,757 views

2022-11-02 ใƒป TED


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Do You Really Need 8 Hours of Sleep Every Night? | Body Stuff with Dr. Jen Gunter | TED

3,224,757 views ใƒป 2022-11-02

TED


ืื ื ืœื—ืฅ ืคืขืžื™ื™ื ืขืœ ื”ื›ืชื•ื‘ื™ื•ืช ื‘ืื ื’ืœื™ืช ืœืžื˜ื” ื›ื“ื™ ืœื”ืคืขื™ืœ ืืช ื”ืกืจื˜ื•ืŸ.

00:00
Sleep is so important.
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ืชืจื’ื•ื: Zohar Bloom ืขืจื™ื›ื”: Ido Dekkers
ืฉื™ื ื” ื”ื™ื ื›ืœ ื›ืš ื—ืฉื•ื‘ื”.
00:02
We need it to live.
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ืื ื—ื ื• ืฆืจื™ื›ื™ื ืื•ืชื” ื‘ืฉื‘ื™ืœ ืœื—ื™ื•ืช.
00:03
And when we can't sleep, we're desperate for help.
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ื•ื›ืฉืื ื—ื ื• ืœื ื™ื›ื•ืœื™ื ืœื™ืฉื•ืŸ, ืื ื—ื ื• ื ื•ืืฉื™ื ืœืขื–ืจื”.
00:07
[Body Stuff with Dr. Jen Gunter]
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[ื“ื‘ืจื™ื ืฉืœ ื”ื’ื•ืฃ ืขื ื“โ€œืจ ื’โ€™ืŸ ื’ืื ื˜ืจ]
00:11
But lately, our fascination with sleep feels as if it's taken on an urgency.
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ืื‘ืœ ืœืื—ืจื•ื ื”, ื”ืจื™ืชื•ืง ืฉืœื ื• ืžืฉื™ื ื” ืžืจื’ื™ืฉ ื›ืื™ืœื• ื”ื™ื ืžืœื•ื•ื” ื‘ืชื—ื•ืฉืช ื‘ื”ื™ืœื•ืช.
00:16
Do a quick internet search for sleep and you'll find a slew of articles
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ืชืขืฉื• ื—ื™ืคื•ืฉ ืื™ื ื˜ืจื ื˜ ืžื”ื™ืจ ืœืฉื™ื ื” ื•ืืชื ืชืžืฆืื• ื‘ืจื™ื›ื” ืฉืœ ืžืืžืจื™ื
00:20
about how to make your sleep perfect.
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ืขืœ ื”ื“ืจืš ืœื”ืคื•ืš ืืช ื”ืฉื™ื ื” ืฉืœื›ื ืœืžื•ืฉืœืžืช.
00:22
New gadgets, fancy alarm clocks,
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ืžื›ืฉื™ืจื™ื ื—ื“ื™ืฉื™ื, ืฉืขื•ื ื™ื ืžืขื•ืจืจื™ื ืžื”ื•ื“ืจื™ื,
00:24
stay away from blue light.
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ืฉืžืจื• ืžืจื—ืง ืžืื•ืจ ื›ื—ื•ืœ.
00:26
There are lots of services, products and advice columns
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ื™ืฉ ื”ืจื‘ื” ืฉื™ืจื•ืชื™ื, ืžื•ืฆืจื™ื ื•ื˜ื•ืจื™ ื™ื™ืขื•ืฅ
00:29
that tell us we're sleeping wrong.
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ืฉืื•ืžืจื™ื ืœื ื• ืฉืื ื—ื ื• ื™ืฉื ื™ื ื‘ืื•ืคืŸ ืฉื’ื•ื™.
00:32
Not enough,
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ืœื ืžืกืคื™ืง,
00:33
not quality sleep, wrong position.
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ืœื ืฉื™ื ืช ืื™ื›ื•ืช, ืชื ื•ื—ื” ืฉื’ื•ื™ื”.
00:35
Even worse, you might find scary messaging
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ืืคื™ืœื• ื’ืจื•ืข ืžื–ื”, ื™ื™ืชื›ืŸ ืฉืชืžืฆืื• ืžืกืจื™ื ืžืคื—ื™ื“ื™ื
00:38
claiming that if you're not sleeping right
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ืฉื˜ื•ืขื ื™ื ืฉืื ืืชื ืœื ื™ืฉื ื™ื ื ื›ื•ืŸ
00:40
your life is going to be shorter,
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ื”ื—ื™ื™ื ืฉืœื›ื ื™ืชืงืฆืจื•,
00:42
you're going to get all kinds of diseases.
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ืชื—ืœื• ื‘ื›ืœ ืžื™ื ื™ ืžื—ืœื•ืช.
00:44
One of the biggest worries we have about our sleep
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ืื—ืช ืžื”ื“ืื’ื•ืช ื”ื’ื“ื•ืœื•ืช ืฉื™ืฉ ืœื ื• ืกื‘ื™ื‘ ื”ืฉื™ื ื”
00:47
is that we're not getting enough
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ื”ื™ื ืฉืื ื—ื ื• ืœื ืžืงื‘ืœื™ื ืžืกืคื™ืง
00:49
and that anything less than seven hours a night
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ื•ืฉื›ืœ ื“ื‘ืจ ืคื—ื•ืช ืžืฉื‘ืข ืฉืขื•ืช ืฉื™ื ื” ื‘ืœื™ืœื”
00:52
means that weโ€™re doomed to bad health,
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ืื•ืžืจ ืฉืื ื—ื ื• ื ื™ื“ื•ื ื™ื ืœื‘ืจื™ืื•ืช ืจืขื”,
00:56
everything from high blood pressure to Alzheimerโ€™s disease.
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ื”ื›ืœ ืžืœื—ืฅ ื“ื ื’ื‘ื•ื” ืœืžื—ืœืช ื”ืืœืฆื”ื™ื™ืžืจ.
00:59
But there are two flaws with this kind of messaging.
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ืื‘ืœ ื™ืฉ ืฉื ื™ ื—ืกืจื•ื ื•ืช ื‘ืกื•ื’ ื”ื–ื” ืฉืœ ืžืกืจื™ื.
01:03
The first flaw is that it's not completely accurate.
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ื”ื—ืกืจื•ืŸ ื”ืจืืฉื•ืŸ ื”ื•ื ืฉื–ื” ืœื ืœื’ืžืจื™ ืžื“ื•ื™ืง.
01:06
Seven to eight hours of sleep,
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ืฉื‘ืข ืขื“ ืฉืžื•ื ื” ืฉืขื•ืช ืฉื™ื ื”,
01:08
while recommended for adults, is just an average.
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ื‘ืขื•ื“ ืฉื–ื• ื”ื”ืžืœืฆื” ืœืžื‘ื•ื’ืจื™ื, ื”ืŸ ืจืง ืžืžื•ืฆืข.
01:11
And while messages have to be simplified for health communication to the public,
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ื•ื‘ืขื•ื“ ืฉืžืกืจื™ื ืฆืจื™ื›ื™ื ืœื”ื™ื•ืช ืžื•ืคืฉื˜ื™ื ืœื˜ื•ื‘ืช ืชืงืฉื•ืจืช ืขืœ ื‘ืจื™ืื•ืช ืขื ื”ืฆื™ื‘ื•ืจ,
01:16
sometimes important nuances get lost.
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ืœืคืขืžื™ื ื“ื™ื•ืงื™ื ื—ืฉื•ื‘ื™ื ื”ื•ืœื›ื™ื ืœืื™ื‘ื•ื“.
01:19
So yes, it's true that not getting enough sleep in the long term
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ืื– ื›ืŸ, ื–ื” ื ื›ื•ืŸ ืฉืœื ืœืงื‘ืœ ืžืกืคื™ืง ืฉื™ื ื” ื‘ื˜ื•ื•ื— ื”ืืจื•ืš
01:24
is associated with health problems like cardiovascular disease,
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ืžืงื•ืฉืจ ืขื ื‘ืขื™ื•ืช ื‘ืจื™ืื•ืชื™ื•ืช ื›ืžื• ืžื—ืœื•ืช ืœื‘ ื•ื“ื,
01:28
diabetes and depression.
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ืกื›ืจืช ื•ื“ื™ื›ืื•ืŸ.
01:30
But fixating solely on seven to eight hours
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ืื‘ืœ ื”ื”ืชืงื‘ืขื•ืช ืจืง ืขืœ ืฉื‘ืข ืขื“ ืฉืžื•ื ื” ืฉืขื•ืช
01:33
ignores the fact that there's a range of sleep that people need.
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ืžืชืขืœืžืช ืžื”ืขื•ื‘ื“ื” ืฉื™ืฉ ื˜ื•ื•ื— ืฉืœ ืฉื™ื ื” ืฉืื ืฉื™ื ื–ืงื•ืงื™ื ืœื•.
01:36
The duration of a good night's sleep can be different for different people.
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ืื•ืจืš ื”ื–ืžืŸ ืฉืœ ืฉื™ื ืช ืœื™ืœื” ื˜ื•ื‘ื” ื™ื›ื•ืœ ืœื”ื™ื•ืช ืฉื•ื ื” ืขื‘ื•ืจ ืื ืฉื™ื ืฉื•ื ื™ื
01:40
Some adults need eight, but some are just fine on six.
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ืžื‘ื•ื’ืจื™ื ืžืกื•ื™ืžื™ื ืฆืจื™ื›ื™ื ืฉืžื•ื ื”, ืื‘ืœ ื—ืœืง ืžื”ื ื‘ืกื“ืจ ืขื ืฉืฉ ื‘ืœื‘ื“.
01:44
The second flaw with this kind of doomsday messaging
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ื”ื—ื™ืกืจื•ืŸ ื”ืฉื ื™ ืขื ื”ืกื•ื’ ื”ื–ื” ืฉืœ ืžืกืจื™ ื™ื•ื ื”ื“ื™ืŸ,
01:47
is that it can be counterproductive,
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ื”ื•ื ืฉื–ื” ื™ื›ื•ืœ ืœื”ื™ื•ืช ื‘ืขืœ ื”ืฉืคืขื” ื”ืคื•ื›ื”,
01:49
especially for people who do have trouble sleeping.
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ื‘ื™ื—ื•ื“ ืขื‘ื•ืจ ืื ืฉื™ื ืฉื™ืฉ ืœื”ื ื‘ืขื™ื•ืช ืฉื™ื ื”.
01:52
For instance, in 2019,
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ืœืžืฉืœ, ื‘-2019,
01:54
it was estimated that 21 percent of adults in the US
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ื”ื•ืขืจืš ืฉ-21 ืื—ื•ื–ื™ื ืžื”ืžื‘ื•ื’ืจื™ื ื‘ืืจื”โ€œื‘
01:58
were wearing sleep tracking devices.
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ืขื ื“ื• ืžื›ืฉื™ืจื™ื ืœืžืขืงื‘ ืฉื™ื ื”.
02:00
And that number is probably growing.
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ื•ื”ืžืกืคืจ ื”ื–ื” ื›ื ืจืื” ื’ื“ืœ.
02:02
And I get it.
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ื•ืื ื™ ืžื‘ื™ื ื” ืืช ื–ื”.
02:03
It's fascinating to see how much sleep you've gotten each night
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ื–ื” ืžืจืชืง ืœืจืื•ืช ื›ืžื” ืฉื™ื ื” ืงื™ื‘ืœืชื ื›ืœ ืœื™ืœื”
02:07
and to know what part of your night was spent in deep sleep or dreaming.
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ื•ืœื“ืขืช ืื™ื–ื” ื—ืœืง ืฉืœ ื”ืœื™ืœื” ืฉืœื›ื ื”ื•ืฉืงืข ื‘ืฉื™ื ื” ืขืžื•ืงื” ืื• ื‘ื—ืœื•ืžื•ืช.
02:11
But having all of that sleep data
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ืื‘ืœ ื”ื—ื–ืงื” ื‘ื›ืœ ื ืชื•ื ื™ ื”ืฉื™ื ื” ื”ืืœื”
02:13
is causing some people to become obsessed with it,
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ื’ื•ืจืžืช ืœื—ืœืง ืžื”ืื ืฉื™ื ืœื”ืคื•ืš ืœืื•ื‘ืกืกื™ื‘ื™ื™ื ืขื ื–ื”,
02:17
so much so that itโ€™s leading to a condition some call orthosomnia:
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ื›ืœ ื›ืš ืฉื–ื” ืžื•ื‘ื™ืœ ืœืชื•ืคืขื” ืฉื—ืœืง ืžื›ื ื™ื ืื•ืจืชื•ืกื•ืžื ื™ื”:
02:22
a preoccupation with the constant need to achieve perfect sleep.
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ืขื™ืกื•ืง ืขื ื”ืฆื•ืจืš ื”ืžืชืžื™ื“ ืœื”ืฉื™ื’ ืฉื™ื ื” ืžื•ืฉืœืžืช.
02:26
And this condition, ironically, is causing more sleep problems.
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ื•ื”ืชื•ืคืขื” ื”ื–ืืช, ื‘ืื•ืคืŸ ืื™ืจื•ื ื™, ื’ื•ืจืžืช ืœื™ื•ืชืจ ื‘ืขื™ื•ืช ืฉื™ื ื”.
02:31
Now orthosomnia might be an extreme example,
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ืื•ืจืชื•ืกื•ืžื ื™ื” ืขืฉื•ื™ื” ืœื”ื™ื•ืช ื“ื•ื’ืžื” ืงื™ืฆื•ื ื™ืช,
02:33
but the anxiety of not getting enough sleep
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ืื‘ืœ ื”ื—ืจื“ื” ืžื—ื•ืกืจ ืฉื™ื ื”
02:36
is keeping some of us up at night.
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ืžื—ื–ื™ืงื” ื—ืœืง ืžืื™ืชื ื• ืขืจื™ื ื‘ืœื™ืœื”.
02:38
So here's what some experts are saying.
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ืื– ื”ื ื” ืžื” ืฉืžื•ืžื—ื™ื ืžืกื•ื™ืžื™ื ืื•ืžืจื™ื.
02:41
Stop fixating on the number
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ืชืคืกื™ืงื• ืœื”ืชืžืงื“ ื‘ืžืกืคืจ
02:43
because that can lead to unrealistic expectations of sleep.
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ื›ื™ื•ื•ืŸ ืฉื–ื” ื™ื›ื•ืœ ืœื”ื•ื‘ื™ืœ ืœืฆื™ืคื™ื•ืช ืœื ืžืฆื™ืื•ืชื™ื•ืช ืžืฉื™ื ื”.
02:47
According to Dr. Colleen Carney,
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ืขืœ ืคื™ ื“โ€œืจ ืงื•ืœื™ืŸ ืงืจื ื™,
02:49
a psychologist and the head of the Ryerson University Sleep Lab,
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ืคืกื™ื›ื•ืœื•ื’ ื•ืจืืฉ ืžืขื‘ื“ืช ื”ืฉื™ื ื” ืฉืœ ืื•ื ื™ื‘ืจืกื™ื˜ืช ืจื™ื™ืจืกื•ืŸ
02:54
the basic questions you should ask yourself are:
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ื”ืฉืืœื•ืช ื”ื‘ืกื™ืกื™ื•ืช ืฉื›ื“ืื™ ืœืฉืื•ืœ ืืช ืขืฆืžื›ื ื”ืŸ:
02:58
Do I feel reasonably well-rested during the day?
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ื”ืื ืื ื™ ืžืจื’ื™ืฉื” ื‘ืขืœืช ืžื ื•ื—ื” ืžืกืคืงืช ื‘ืžื”ืœืš ื”ื™ื•ื?
03:01
Do I generally sleep through the night without disturbances?
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ื”ืื ืื ื™ ื™ืฉื ื” ืœืจื•ื‘ ืœืœื ื”ืคืจืขื•ืช ื‘ืžื”ืœืš ื”ืœื™ืœื”?
03:05
Or, if I wake, do I fall back asleep easily?
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ืื•, ืื ืื ื™ ืžืชืขื•ืจืจ, ื”ืื ืื ื™ ื ืจื“ื ื‘ื—ื–ืจื” ื‘ืงืœื•ืช?
03:08
Can I stay awake through the day without involuntarily falling asleep?
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ื”ืื ืื ื™ ื™ื›ื•ืœ ืœื”ื™ืฉืืจ ืขืจ ืœืื•ืจืš ื”ื™ื•ื ืžื‘ืœื™ ืœื”ื™ืจื“ื ื‘ืื•ืคืŸ ืœื ืจืฆื•ื ื™?
03:12
If your answers are yes to all three,
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ืื ื”ืชืฉื•ื‘ื•ืช ืฉืœื›ื ื”ืŸ โ€œื›ืŸโ€ ืœื›ืœ ื”ืฉืœื•ืฉ,
03:15
you probably don't need to worry about your sleep.
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ืืชื ื›ื ืจืื” ืœื ืฆืจื™ื›ื™ื ืœื“ืื•ื’ ืžื”ืฉื™ื ื” ืฉืœื›ื.
03:17
And if you're struggling with your sleep,
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ื•ืื ืืชื ืžืชืงืฉื™ื ืขื ื”ืฉื™ื ื” ืฉืœื›ื,
03:20
instead of buying expensive blue light filters
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ื‘ืžืงื•ื ืœืงื ื•ืช ืžืกื ื ื™ ืื•ืจ ื›ื—ื•ืœ ื™ืงืจื™ื
03:22
or fancy sleep trackers,
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ืื• ืขื•ืงื‘ื™ ืฉื™ื ื” ืžื”ื•ื“ืจื™ื,
03:24
try talking with your doctor to make sure there aren't any medical conditions
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ื ืกื• ืœื“ื‘ืจ ืขื ื”ืจื•ืคื ืฉืœื›ื ืœื•ื•ื“ื ืฉืื™ืŸ ืื™ื–ืฉื”ืŸ ืชื•ืคืขื•ืช ืจืคื•ืื™ื•ืช
03:28
that need to be explored first.
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ืฉื™ืฉ ืœื—ืงื•ืจ ืื•ืชืŸ ืงื•ื“ื.
03:30
Then try evidence-based recommendations
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ืœืื—ืจ ืžื›ืŸ ื ืกื• ื”ืžืœืฆื•ืช ื”ืžื‘ื•ืกืกื•ืช ื”ื•ื›ื—ื•ืช
03:33
laid out by the American Academy of Sleep Medicine.
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ืžื˜ืขื ื”ืืงื“ืžื™ื” ื”ืืžืจื™ืงืื™ืช ืœืจืคื•ืืช ืฉื™ื ื”.
03:37
What's really cool is that there's a highly effective therapy
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ื”ื“ื‘ืจ ืฉืžืžืฉ ืžื’ื ื™ื‘ ื”ื•ื ืฉืงื™ื™ืžืช ืชืจืคื™ื” ืืคืงื˜ื™ื‘ื™ืช
03:41
called cognitive behavioral therapy for insomnia, or CBT-I,
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ืฉื ืงืจืืช ืชืจืคื™ื” ื”ืชื ื”ื’ื•ืชื™ืช ืงื•ื’ื ื™ื˜ื™ื‘ื™ืช ืœืงืฉื™ื™ ืฉื™ื ื”, ืื• CBT-I,
03:46
It doesnโ€™t have any medications involved.
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ืฉืœื ืžืขืจื‘ืช ืชืจื•ืคื•ืช ื›ืœืœ.
03:49
And it has a really low failure rate.
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ื•ื™ืฉ ืœื• ืื—ื•ื– ื›ื™ืฉืœื•ืŸ ื ืžื•ืš ืžืื•ื“.
ืขืœ ืืชืจ ื–ื”

ืืชืจ ื–ื” ื™ืฆื™ื’ ื‘ืคื ื™ื›ื ืกืจื˜ื•ื ื™ YouTube ื”ืžื•ืขื™ืœื™ื ืœืœื™ืžื•ื“ ืื ื’ืœื™ืช. ืชื•ื›ืœื• ืœืจืื•ืช ืฉื™ืขื•ืจื™ ืื ื’ืœื™ืช ื”ืžื•ืขื‘ืจื™ื ืขืœ ื™ื“ื™ ืžื•ืจื™ื ืžื”ืฉื•ืจื” ื”ืจืืฉื•ื ื” ืžืจื—ื‘ื™ ื”ืขื•ืœื. ืœื—ืฅ ืคืขืžื™ื™ื ืขืœ ื”ื›ืชื•ื‘ื™ื•ืช ื‘ืื ื’ืœื™ืช ื”ืžื•ืฆื’ื•ืช ื‘ื›ืœ ื“ืฃ ื•ื™ื“ืื• ื›ื“ื™ ืœื”ืคืขื™ืœ ืืช ื”ืกืจื˜ื•ืŸ ืžืฉื. ื”ื›ืชื•ื‘ื™ื•ืช ื’ื•ืœืœื•ืช ื‘ืกื ื›ืจื•ืŸ ืขื ื”ืคืขืœืช ื”ื•ื•ื™ื“ืื•. ืื ื™ืฉ ืœืš ื”ืขืจื•ืช ืื• ื‘ืงืฉื•ืช, ืื ื ืฆื•ืจ ืื™ืชื ื• ืงืฉืจ ื‘ืืžืฆืขื•ืช ื˜ื•ืคืก ื™ืฆื™ืจืช ืงืฉืจ ื–ื”.

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